3545305475447 has 2 divisors, whose sum is σ = 3545305475448. Its totient is φ = 3545305475446.

The previous prime is 3545305475407. The next prime is 3545305475479. The reversal of 3545305475447 is 7445745035453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3545305475447 - 2¹⁴ = 3545305459063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3545305475392 and 3545305475401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3545305475407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772652737723 + 1772652737724.

It is an arithmetic number, because the mean of its divisors is an integer number (1772652737724).

Almost surely, 2^{3545305475447} is an apocalyptic number.

3545305475447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545305475447 is an equidigital number, since it uses as much as digits as its factorization.

3545305475447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560000, while the sum is 56.

The spelling of 3545305475447 in words is "three trillion, five hundred forty-five billion, three hundred five million, four hundred seventy-five thousand, four hundred forty-seven".